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    <title>Document</title>
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    <script>

        function mp(arr) {
            var arr = [1, 2, 3, 4, 5]
            for (i = 0; i < arr.length - 1; i++) {
                for (j = 0; j < arr.length - i - 1; j++) {
                    if (arr[j] < arr[j + 1]) {
                        var temp = arr[j];
                        arr[j] = arr[j + 1];
                        arr[j + 1] = temp;
                    }

                }
            }
            console.log(arr);
        }
        mp()
    </script>
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